Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-08-07
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 400,000 max across endpoints
- Max output
- 128,000
- Providers
- 16 + 25 gateways, not counted as providers
- Epoch Capabilities Index
- 150 against price
- Direct price range
- $1.25–$1.63 in · $10–$13 out per 1M tokens · 15 of 16 providers have a comparable price
More details
- Last updated
- 2025-09-19
- Knowledge cutoff
- 2024-09-30
- Developer country
- United States of America
- Training compute
- 6.6×10²⁵ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web search
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streaming
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
Loading endpoints…
Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $1.25 in / $10 out per 1M tokens at OpenAI on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
Loading endpoints…
Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GPT-5 |
|---|---|---|---|---|---|
| GPT-5.1OpenAI | $2.31 | $1.07 | $8.50 | 400K | +0% |
| GPT-5.1 CodexOpenAI | $2.31 | $1.07 | $8.50 | 400K | +0% |
| GPT-5-CodexOpenAI | $2.31 | $1.07 | $8.50 | 400K | +0% |
| GPT-5.2OpenAI | $2.28 | $1.05 | $8.40 | 400K | −1% cheaper |
| Qwen3.8 MaxAlibaba (Qwen) | $2.25 | $1.69 | $5.07 | 1M | −2% cheaper |
| Claude Sonnet 5Anthropic | $2.40 | $1.44 | $7.20 | 1M | +4% |
| GPT-5 Image MiniOpenAI | $2.42 | $2.50 | $2.00 | 400K | +5% |
| Gemini 2.5 ProGoogle | $2.44 | $1.13 | $9.00 | 1.05M | +6% |
More from OpenAI
Newest OpenAI models in the catalogue. All OpenAI models
| Model | Released | Context | Listed price |
|---|---|---|---|
| GPT-6.1 Sol Ultrafast | 2026-10-08 | 1.05M | from $12 |
| GPT-6 Luna Decisions | 2026-10-06 | 1.05M | unpriced |
| GPT-6.1 Sol | 2026-09-29 | 1.05M | from $2.00 |
| GPT-6.1 Sol Pro | 2026-09-29 | 1.05M | from $2.00 |
| GPT-6 Luna | 2026-09-22 | 1.05M | from $0.10 |
| GPT-6 Sol | 2026-09-22 | 1.05M | from $2.00 |
| GPT-6 Sol Pro | 2026-09-22 | 1.05M | from $2.00 |
| GPT-6 Luna Pro | 2026-09-22 | 1.05M | from $0.10 |
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model